Teachers in London can attend the Special Needs London 2009 exhibition on October 16th &17th. Professional Development sessions are only 9 GBP each, and you will meet other teachers and professionals dedicated to teaching children with SEN.
Some of the Classroom Canada teachers will be there. Whether you're one of our teachers or not, I recommend that you sign up now before the workshops fill up. You can see the list of courses on offer here.
If I were there, I'd attend these workshops myself: